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Contact

Coding Skills

More info

See full CV at alexandrehsd.github.io/cv/ for more complete list of positions and publications.

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Made w/ R pagedown package.

Source code: github.com/alexandrehsd/cv.

Last updated on 2021-05-27.

Main

Alexandre Henrique S. Dias

I’m a Data Scientist passionate about statistics applied to Machine Learning algorithms and how to turn those algorithms into tools to make people live better and happier. Also, I love writing about data science stuff. Currently, I do my job as a Data Scientist focusing on solving problems in the domain of Human Resources.

Positions

Data Scientist

B2W Digital

São Paulo, SP

Present - 2021

  • Statistical modelling and analysis of HR People Analytics-related problems.

Data Scientist

Looqbox

São Paulo, SP

2021 - 2019

  • Development of BI reports and dashboards using R, Python, and SQL.
  • Maintainer of the Looqbox R Package used to build R objects and data structures compatible with the Looqbox Application.

Education

M. Sc., Electrical and Computer Engineering

UFRN - Federal University of Rio Grande do Norte

Natal, RN

Present - 2021

  • Majoring in Data Processing and Analytics

MITx Micromaster Program in Statistics and Data Science

MITx

EdX

Present - 2020

  • The MITx MicroMaster in SDSS covers the fundamentals of data science, statistics, and machine learning.

B. Sc., Computer Engineering

UFRN - Federal University of Rio Grande do Norte

Natal, RN

2019 - 2018

  • Member of the Modeling and Scientific Data Analysis team.

B. Sc., Sciences & Technology

UFRN - Federal University of Rio Grande do Norte

Natal, RN

2017 - 2015

  • Linear Algebra and Analytical Geometry assistant teacher.
  • Calculus II assistant teacher.

Selected Writing

A mathematical derivation of the Law of Total Variance

N/A

The Startup

2020

  • Understanding what is and when to apply the Law of Total Variance.

Clustering with K-means: simple yet powerful

N/A

Medium

2019

  • Explain what is Cluster Analysis, and how the K-means algorithm work providing its pros and cons.

An introduction to Linear Regression

N/A

Medium

2019

  • Explain all assumptions behind Linear Regression, how to measure its performance, and how to implement it in Python.